2115604 has 12 divisors (see below), whose sum is σ = 3737664. Its totient is φ = 1047704.

The previous prime is 2115571. The next prime is 2115629. The reversal of 2115604 is 4065112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2044 + ... + 2899.

It is an arithmetic number, because the mean of its divisors is an integer number (311472).

2^2115604 is an apocalyptic number.

It is an amenable number.

2115604 is a deficient number, since it is larger than the sum of its proper divisors (1622060).

2115604 is a wasteful number, since it uses less digits than its factorization.

2115604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054 (or 5052 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2115604 is about 1454.5116018788. The cubic root of 2115604 is about 128.3743112333.

It can be divided in two parts, 21 and 15604, that added together give a 6-th power (15625 = 5⁶).

The spelling of 2115604 in words is "two million, one hundred fifteen thousand, six hundred four".